Home / 286,360.91-395,209.37-163,864.61

Finding the Fourth Proportional to 286,360.91, 395,209.37 and 163,864.61

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Solution

The fourth proportional to 286,360.91, 395,209.37 and 163,864.61 is: 226,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,360.91 : 395,209.37 = 163,864.61 : x
  2. Step 2: Convert to fraction form
    286,360.91/395,209.37 = 163,864.61/x
  3. Step 3: Cross multiply
    286,360.91x = 395,209.37 × 163,864.61
  4. Step 4: Simplify right side
    286,360.91x = 64,760,827,717.01
  5. Step 5: Solve for x
    x = 64,760,827,717.01/286,360.91
  6. Step 6: Final answer
    x = 226,151.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.